Ginger is an aromatic spicy stomachic medicine, warm, excitement, sweating, vomiting, detoxification, etc., especially for fish and crab poison, half a summer, tiannanxing and other drugs have detoxification effect. Apply to external wind-cold, headache, phlegm, cough, stomach cold and vomiting; after suffering from ice, snow, water, wet, cold invasion, urgent ginger soup to drink, can enhance the blood flow, dispel the cold.